Air-admission device for locomotive fire-boxes.



JQG. TALMAGB."

AIE ADMISSION DEVICE EUR LocoMoTIVE EIEE BOXES.

I APPLIOATION'FILED APR.24, 1911. I

1,047,590, Patented Dec. 17, 1912.

2 SHEETS-SHEET 2.

A TTUR/VEY NORRIS PETERS. |NCI. LITNDI. WASNING'DNA Y). C.

UNITED STATES PATENT oFFIC ,i

roHN e. TALMAGE, or CLEVELAND, omo.

AIE-ADMISSION DEVICE EOE LoooiaoTIvE FIRE-BOXES.

Specification of Letters Patent. I iltllied DC. 17, 1912. Applicationfiled April 24, 1911. Serial No. 623,049.

One of the objects of this invention is toprovide effective means forenabling 'the admission of air to a locomotive lire box from the sidesof the locomotive in such a way as will not allow the hot coals to dropout at the ysides of the ash pan.

vAnother object is to enable the convenient cleaning ofthe side portionsof the ash pan where material is liable to clog. y

Still another object is to provide for convenient calking of the mudring.

Another object is to simplify and render more eiicient the generalconstrii'ction at the outer edge of the ash pan, including its supportand the support of the grate. v

In accomplishing the desired result I provide an air space beneath themud ring leading to the top of the ash pan adjacent to the under side ofthe grate, and at the outer' side of this air space I mount a concave,upwardly extending deflector. This detlector isopen above so that thereis a convenient air passageway to the grate, while the defiectorprevents any hot coals dropping out; it." also gives a neater appearancetothe locomotive by preventing the hot coals in theI ash pan beingordinarily visible from t-he outside. By having this deflector pivotallymounted, it may be swung upward on its pivots toenable access to the ashpan for cleaning its outer portions, where material is liable to clog.The bottom plates supported by the brackets and defining the air spaceare made removable to enable yaccess to the mud ring for calking. I usethe same brackets for holding not only the detiecto-r and the bottomplate referred to, but also the outer portion of thel ash pan and thegrate itself. All these features will be hereinafter more 'fullydescribed.

My invention is clearly illustrated in the drawings hereof, in which-Figure 1 is a perspective view of the lower `portion of a water leg of alocomotive boiler eguipped with my air admission device; Fig.

2 is a vertical cross section through the air admission device and themud ring and the -outer parto' the ash pan; Fig. 3 is a side elevationof the parts shown in Fig. 2, Fig. '-'t a detail in vertical sectionillustrating the detlector in its uppermost position; Fig. 5 is a rearendview, partly broken away, of a locomotive equippedywith myimprovement. Y `As shown in the drawings, 10 audjlitiiepresentrespectively the inner and outel plates of the water leg ot a locomotivebo`iler .^12 the mud ring between these plates forming the bottom of thewater leg, and 13 the usual rivets securing the plates to the mud ring.`Secured to the under side ,of the mud ring by bolts 15 are brackets 16,ywhich carry at their upper, inner portions thegrate (not shown) and attheir lower, inner portions the inclined outer part 17 ofthe ash pan. Onthe under sides of the brackets 1G are bottbm plates 1S, and on theouter sides of the brackets are ears, 1 9, on which are pivotallymounted sector-like arms 20, which carry at their outer edges aquadrant-shaped shield 21.. 23 and .24.- indicate end plates for theshield, which are adapted to aline with end plates 25 and 26 of the ashpan.

It will be seen from the above described construction that there is anair space opening into the top of the ash pan beneath the grate, suchspace extending downwardly and inwardly between the bottom of the waterleg and the curved shield and bottom plate 18. It will be `seen alsothat, while the curved shield with the .top open space does` notrestrict the' air passageway, it does pre- -vent any material droppingoutwardly through the passageway. Whenever desired, the shield maybeturned upwardly, as indicated in Fig. 4,.` and in'vthatfpo'sition allowseasy access of suitable implements to the as'h lpan for purposes ofcleaning the slopey 17, where material is liable to cling.

In the particular form shown, the bi-ack ets 1 6 are webbed malleablecastings, the ears.

19 are arranged in pairs and the arms 20,

which are` also webbed malleable castings, take-between these ears andare pivoted-t'o them by hinge pintles28. The'arms 20 have at their'arcual edges' ears 30 and the 'shield` plates are secured tothese earsby suitable rivets 31. 'Theshield is. stilened at its-upper edge by areinforcing strip 32 and at its lower edgevby a-reinforcing angle bar33. The end plates 23 and 24 are also shown as stii'ened by angle bars36and 37 The ends may be conveniently secured to the quadrant portion byintermediate angle pieces 38 and 39 riveted to them. This construction'makes a very stiff and at the s me timel cheapand light quadrantshield:.wl1ich normally rests by gravity in its closed yposition-but maybe 'true whether thef admission to the air passageway is entirely fromabove the shield,

las shown in Fig. 2,' or entirely below it, as

shown in Fig. 3, or partly above andpartly` below it. e l

-The bottom plates 18 maybe reinforced at their outer edges by'anglebars`40, which v form -a convenient abutment for the'angle bars 33 atthe lower edge of the shield. F urthermore, angle bars 41 may beprovided at the ends of these bottom plates 18. The bottom plates aresecured by bolts 42 to the'bot.

. tom of the brackets 15.. This construction f and the bolting of thebracket itself to the enables these bottom'plates to be readily re#Amoved whenever desired, thus giving easy access to the bottom of thewater leg for 'purposes of'calking. Furthermore, the bolting' of the ashpan plate 17 to the bracket at 45 mud' ring by the bolts 15 enablesconvenient installation of the parts and their convenient removal whennecessary.

My construction, as above described, may be easily and economicallyapplied tolocomotives; it insures the proper air admission at all timesto the grate throughthesides;

it enables proper cleaning of :the A ash pan slopes; when the shieldsare swung upwardly for cleaning, or other purposes, they.

swing substantially in their own space, so.

that they are always within proper clearance lines; and finally, thesimple removal of the hinge pintles allows the `removal ot the shields,and the removal ofjthevbolts-12 allows theremoval of the bottomjplatesto enable convenient access to the mud ring` for calking'.

Having thus described my. invention, whatI claim is: .i

1. The, combination, with a mud ring, of bracket-sisefcured thereto andprojecting below the Amud yring, an ash pan-having anein# signature inthe presence of two witnesses.

JOHN e. TALMAGE; y

clined side secured to said brackets and thereby spaced from the mudring, a bottom plate secured tov said bracketson theirr under sides andcoperating withthemud ring to provide an air passageway to the grateabove the top of the ash pan. and a bracketsseeilred thereto, an ash panhaving an inclined slde secured to the bottompor tion of said bracketsand thereby spaced from the mudring, a bottom plate for the brackets,outwardly extending-ears on'the brackets,'and a vsegmental deiectorcoper-; ating with the bottom plate andhinged atl its center ofcurvature toi, said ears.

i 3. .The combination, `with a ymud"ringeof` brackets securedto theunder sida of the mud ring and projecting downwardly,- an

ash pan having van inclined side secured near its outer edge to theunder side of the brack ets and thereby spacedtrom the mud'ring, bottomplates secured to thefunder side of the brackets and coperating with themud ring Vto forman air passageway above the ash pan, and an upwardly.extending de-v lector at the buter endl of thepassageway.4

el. The combination, Awith a mud ring, of .brackets secured to the undersidev of. the mud ring and extending downwardly from 'the mud ring andinwardly therefrom, said brackets' having' their upward inner" portion v'85 having an inclined side secured near its `adapted to form a gratesupport, an ash' pan outer en'd to the lower part' of Ithe inner portionof the bracket,a plate secured to 'the' bottoni of the brackets beneaththe mud ring,'and a deflector carriedbythe brackets beyond the outerside of the mud ringand coperating with the bottom plate.

'5. The combination of a locomotive boiler having a water leg, of a setof brackets secured to the waterleg at the opposite sides of vtheboiler, an' ash pan having inclined sides' which are secured-'near theirupper edgeste the-bottom of said brackets, bot` tom plates securedto theunder sides of the brackets beneath the ni'ud ring and coperatingtherewith to define anairpassageway tothe grate above the top of the ashpan, ears on said brackets, segmental'arms connected with said ears, anda segmentalv deiector .secured to--the outer faceof said arms andcoacting with thebottom plat-e to-define a downward and inward airpassageway. Intestiinony wherecf,`l' hereunto aiiix my ,"Witnesses:

ALBERT H. BATES, BRENNAN B. WEST.

